Description The Answer Pinnacle Pro Disc Race wheels are hand built using 36H Answer Pinnacle double-wall rims, laced 3X with black 15G spokes and lightweight brass nipples, to Answer Holeshot Pro Disc cassette hubs. The Holeshot hubs feature CNC machined aluminum hub shells, 14mm hollow aluminum center axles with 3/8″ (10mm) axle bolts, a 6 pawl aluminum driver with 16T Shimano style cog, and precision sealed bearings throughout. Each driver pawl has 3 individual teeth that engage every 3 degrees for near instant engagement. 20″ Spoke Length: Front – 184mm Rear D Side – 180mm Rear ND Side – 179mm 24″ Spoke Length: Front – 236mm Rear D Side – 232mm Rear ND Side – 231mm OS20 Spoke Length: Front – 207mm Rear D Side – 203mm Rear ND Side – 202mm All wheelsets are hand built in the USA